Mild Traumatic Brain Injury Clinical Trial
Official title:
Randomized Controlled Trial for Vestibular Treatment in Concussion
A prospective, single-blind, four-group multi-center randomized controlled trial (RCT) of targeted rehabilitation exercises for vestibular symptoms and impairments (T-REV) in civilians with mild traumatic brain injury (mTBI) will be conducted at the University of Pittsburgh Medical Center Sports Medicine Concussion Program (UPitt). The four treatment groups will consist of the factorial combinations of low (30%) and high (70%) intensity of exercise crossed with low (12-18 min, 1x/day) and high (12-18 min, 2x/day) frequency. A total of 125 participants aged 18-50 years will be enrolled across years 1-4, with approximately 100 participants completing the whole study. After potential participants with mTBI are screened for the vestibular clinical profile, using domain-specific tests and measures, and enrolled into the study, participants will complete primary and secondary outcome measures and receive a home exercise program that a) targets participants individual deficits, and b) is of the appropriate intensity and frequency for the participant's randomly assigned treatment group. Participants will return for in-clinic visits once per week to receive treatment and progress assigned exercises.
Status | Recruiting |
Enrollment | 125 |
Est. completion date | August 2024 |
Est. primary completion date | June 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 50 Years |
Eligibility | Inclusion Criteria: - 18-50 years of age - Normal/corrected vision - Diagnosed with sport-related mTBI/concussion in the past 8 days-1 year with clear mechanism of injury - Glasgow coma scale (GCS) of 13 or greater - Reported signs of mTBI including: loss of consciousness, amnesia, disorientation, confusion, dizziness, imbalance, memory problems, vomiting - mTBI-related vestibular symptoms (dizziness, vertigo, motion intolerance) and/or impairments (gaze stabilization, standing balance, functional gait) per a comprehensive assessment, clinical exam, and interview Exclusion Criteria: - History of vestibular disorder prior to current mTBI (benign paroxysmal positional vertigo, unilateral or bilateral vestibular hypofunction) - Benign Paroxysmal Positional Vertigo (BPPV) resulting from vestibular hypofunction - Dizziness symptoms that only result from exercise - History of neurological disorder - <1 month or >6 months following current mTBI - Currently pregnant or become pregnant during study - Currently involved in litigation associated with current or previous mTBI Note: history of motion sickness/sensitivity will NOT be excluded. We will adjust for any imbalance in groups on this factor by covariate analysis |
Country | Name | City | State |
---|---|---|---|
United States | Naval Medical Center Camp Lejeune - Intrepid Spirit Concussion Recovery Center | Camp Lejeune | North Carolina |
United States | Warrior Recovery Center | Colorado Springs | Colorado |
United States | Carl R. Darnall Army Medical Center - Intrepid Spirit Center | Fort Hood | Texas |
United States | UPMC/Univ of Pgh Sports Medicine Concussion Research Program | Pittsburgh | Pennsylvania |
Lead Sponsor | Collaborator |
---|---|
University of Pittsburgh | United States Department of Defense |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Dizziness Handicap Inventory (DHI) | The DHI is a 25-item self-report measure that examines dizziness-related handicap. Each item is categorized into one of three domains: functional, emotional, or physical. The DHI was developed with the help of patients who complained of dizziness and uses a three-item response scale (Yes, Sometimes, No) scored as 4/2/0, respectively. Score range: 0-100. The DHI has good internal consistency for the total score (alpha = 0.89). the test-retest reliability is high (r=0.97) and is response to change in a vestibular population. The DHI has been demonstrated to be valid in individuals with mTBI. The outcome measure will be assessed at multiple timepoints to assess change over time. | enrollment, 2-week, 4-week, 3-month study visits | |
Secondary | Patient Global Impression of Change (PGIC) | The PGIC will be completed by all participants. The PGIC was developed for self-reported assessment of change resulting from post-concussion care at military treatment facilities. The prompt is: "Since beginning treatment at this facility, how would you describe the change (if any) in activity limitations, symptoms, emotions, and overall quality of life rated to your post-concussion condition?" The patient responds on a scale 0 (no change or condition has worsened) to 7 (considerable improvement). Because not all participants will have had a mTBI that precipitated the referral for physical therapy, the prompt will be modified to delete "post-concussive' for these cases. The interest for this measure is in the change between timepoints. | enrollment, 2-week, 4-week, 3-month study visits | |
Secondary | Neurobehavioral Symptom Inventory (NSI) | The NSI is a 22-item symptoms scale in which participants rate the severity of symptoms on a 5-point scale (0=none, 1= mild, 2=moderate, 3=severe, 4=very severe) Scores range from 0 to 60. The NSI takes approximately 5-10 minutes to administer. We are interested in the change in NSI over time. | enrollment, 2-week, 4-week, 3-month study visits | |
Secondary | Immediate Post-Concussion Assessment and Cognitive Testing (ImPACT) | The ImPACT will be used to assess neurocognitive performance in civilians. ImPACT is a computerized neurocognitive test that includes six modules: 1) verbal memory, 2) design memory, 3) X's and O's, 4) symbol matching, 5) color matching, and 6) three letter memory. These modules are used to form four composite cores: verbal and visual memories (%), visual motor processing speed (#), and reaction time (sec). The ImPACT takes 20-30 minutes to administer. The interest in ImPACT scores is in both each timepoint to assess cognitive performance against the normal for age and change between time points as an assessment of recovery. | enrollment, 2-week, 4-week study visits | |
Secondary | Pittsburgh Sleep Quality Index (PSQI) | The PSQI will be used to assess sleep quality and consists of an 18-item self-report of seven component scores: 1) subjective sleep quality, 2) sleep latency, 3) sleep duration, 4) sleep efficiency, 5) sleep disturbances, 6) sleep medication usage, and 7) daytime dysfunction. Scale for PSQI is 0 = not during past month; 1 = less than once a week; 2 = once or twice a week; 3 = three or more times a week. From the 18-item scores, seven component scores are calculated. A component score of 5 or greater is indicative of poor sleep quality. Sub-scale and global PSQI scores are calculated and higher scores indicating poorer sleep quality. The scores will be analyzed both at each timepoint to compare against normative values and between time points as an assessment of recovery. | enrollment, 2-week, 4-week study visits | |
Secondary | Identify (ID) Migraine | The ID Migraine is a 3-item screening tool designed to assess presence (yes/no) of symptoms related to headache/migraine pain including nausea, sensitivity to light, and functional impact of headaches. Scale for ID Migraine is 0 = no, 1 = yes. Scores range from 0-3 with clinical cut-off at 2 or greater indicating presences of migraine. The ID Migraine is both a valid and reliable screening tool for migraine with good combined sensitive and specificity. For the current study, we will adapt the ID Migraine tool by replacing the "during the last three months" time frame stem, with "following your injury". The ID Migraine requires 2 minutes to complete and score. he scores will be analyzed both at each timepoint to assess performance against clinical cutoffs and between time points as an assessment of recovery. | enrollment, 2-week, 4-week study visits | |
Secondary | Neck Pain Numerical Rating Scale (Neck Pain NRS) | The Defense and Veterans Pain Rating Scale (DVPRS) will be used specifically for neck pain. We will adapt the Defense and Veterans Pain Rating Scale (DVPRS) which was created to standardize pain reporting and measurement across the military. Changes to the verbal anchors include: 0 = "no pain", 1 = "hardly notice pain", 2 = "Notice pain, does not interfere with activities", 9 = "can't bear the pain, unable to do anything", 10 = "As bad as it could be, nothing else matters". Participants will be asked for their current neck pain during the past week. The Neck Pain NRS takes 1 minute to administer. The score will be analyzed both at each timepoint to assess current pain and compared over time to assess pain recovery. | enrollment, 2-wk, 4-wk study visits | |
Secondary | Dizziness Numerical Rating Scale (Dizziness NRS) | The Defense and Veterans Pain Rating Scale (DVPRS) will be used specifically for dizziness. We will adapt the Defense and Veterans Pain Rating Scale (DVPRS) which was created to standardize pain reporting and measurement across the military. Changes to the verbal anchors include: 0 = "no dizziness", 1 = "hardly notice dizziness", 2 = "Notice dizziness, does not interfere with activities", 9 = "can't bear the dizziness, unable to do anything", 10 = "As bad as it could be, nothing else matters". Participants will be asked for their current dizziness during the past week. The Dizziness NRS takes 1 minute to administer. The score will be analyzed both at each timepoint to assess current dizziness and compared over time to assess dizziness recovery. | enrollment, 2-wk, 4-wk study visits | |
Secondary | Behavioral Symptom Inventory-18 (BSI-18) | The BSI-18 is an 18-item symptom inventory that assesses the level of psychological distress during the past 7 days on 18 items. Symptoms are rated on a 5-point Likert scale ranging from 0 (not at all); 1 (a little bit); 2 (moderately); 3 (quite a bit); 4 (extremely). The BSI-18 yields total global severity index ranging from 0-72 as well as somatic, depression, and anxiety sub-scale scores. Any sub-scale T-score >63 is reflective of clinical impairment on that sub-scale. The BSI-18 requires 5 minutes to complete and score. Scores will be analyzed at each timepoint to assess current behavioral symptoms and impairments and compared over time to assess changes in symptoms. | enrollment, 2-week, 4-week study visits | |
Secondary | Return to Activity (RTA) | Return to Activity will be medical clearance to resume full activities based on symptom and impairment free at rest, and symptom free following standardized exertion protocols per recent consensus. RTA will be assessed at 4 weeks and 3 months post-intervention. | 4-week, 3-month study visits | |
Secondary | International Physical Activity Questionnaire (IPAQ) | The International Physical Activity Questionnaire (IPAQ) will assess potential treatment group difference in activity level. The IPAQ is a validated tool to assess recall of average activity level and intensity over the preceding 7 days. The IPAQ will be completed via text/online survey at 7 and 21 days and in person at 14 and 28 days during the clinic visits. The IPAQ was chosen because it is brief and can be either self-administered or administered via structured interview. Activity levels can be expressed as categorical variables (low, medium, high activity levels) or a continuous variable (MET-min/week). The IPAQ takes approximately 5 minutes to complete. Data will be analyzed at each timepoint and over time to assess changes in physical activity. | enrollment, 2-week, 4-week study visits | |
Secondary | Visual Vertigo Analog Scale (VVAS) | The VVAS assesses how much dizziness 0 (none) to 10 (severe), on a visual analog scale, an individual reports for 9 different activities, such as walking through a supermarket aisle, being in a room with fluorescent lights, doing down and escalator, walking over a patterned floor, etc. A positive result occurs when an individual rates at least two of the nine items of the VVAS above zero (VVAS positive). The VVAS takes 5 minutes to administer. We will assess VVAS data at each timepoint and over time. | 2-week, 4-week study visits | |
Secondary | Vestibular Ocular Motor Screening (VOMS) | The VOMS assesses impairment via patient-reported symptom provocation following each of the following components: 1) smooth pursuits; 2) horizontal and vertical saccades; 3) convergence; 4) horizontal and vertical ocular reflex (VOR); and 5) visual motion sensitivity (VMS). Patients rate changes in headache, dizziness, nausea, and fogginess compared to their immediate pre-assessment state on a scale of 0 (none) to 10 (severe) to determine if any domain provokes symptoms. Scores on any VOMS item of 2 or greater reflects a positive screening cut-off for vestibular or oculomotor impairment. Convergence is also assessed in the VOMS using both symptom report and objective measurement of the near point of convergence (NPC, averaged across 3 trials). NPC values >5 cm reflect a positive clinical metronome, and a 1-page scoring form. The VOMS requires 5 minutes to administer and score. We will analyze VOMS at each timepoint and over time. | 2-wk, 4-wk study visits | |
Secondary | Modified Balance Error Scoring System (mBESS) | The mBESS measures postural stability and consists of three stances including feet side by side, a tandem stance, and a single-leg stance on the non-dominant leg. The three stances are performed for 20 seconds each on a firm surface. All stances are completed with eyes closed and with hands on the iliac crests. Errors include lifting hands off the iliac crests, opening the eyes, stepping, stumbling, falling, moving the hips more than 30 degrees of flexion or abduction, lifting the forefoot or heel, or remaining out of the testing position for more than 5 seconds. Each error equals 1 point, with higher scores indicating worse performance. For the current study, we will use the modified BESS (mBESS) on the firm surface only. Clinical cut-offs for BESS suggest a total error of 9 or greater indicate clinical impairment in balance. The mBESS takes approximately 5-6 minutes to administer. mBESS scores will be analyzed at each timepoint and over time. | 2-week, 4-week study visits | |
Secondary | Functional Gait Assessment (FGA) | FGA is 10 items that assess ability of participants to walk with head turns, changes of speed, and around obstacles. Each item is scored on a 4-point ordinal scale ranging from 0 (severe) to 3 (normal). Higher scores indicate normal gait. | enrollment, 2-week, 4-week study visits | |
Secondary | High Level Mobility Assessment Tool (HiMAT) | Assess balance, participants will complete only 1 subtest of the HiMAT, fast walking. | enrollment, 2-week, 4-week study visits |
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